RDG

RDG, or Rdg, may refer to:


 * Rail Delivery Group, a body in the privatised British railway system
 * RDG Red Data Girl, fantasy novel series by Noriko Ogiwara
 * RDG, the AAR reporting mark for the Reading Company, a defunct US railroad
 * RDG, the IATA code for Reading Regional Airport in the state of Pennsylvania, US
 * RDG, the National Rail code for Reading railway station in the county of Berkshire, UK
 * Reading, in the field of temperature measurement
 * Rechtsdienstleistungsgesetz, the German Legal Services Act
 * Revolutionary Democratic Group, socialist organisation in the United Kingdom
 * Royal Dragoon Guards, the Royal Dragoon Guards is an armoured regiment of the British Army
 * Rwanda Development Gateway, a project to set up a national Rwandan portal for information sharing